In a bowl, mix together; minced meat, eggs, chopped onion and coriander, mustard and tomato ketchup, ginger and garlic paste, black pepper and salt.,Cover the mixture with a cling film and refrigerate for 45 minutes to 1 hour.,Take out the mixture and make patties of the mixture.,Heat some Extra Virgin Olive Oil in a nonstick pan.,Fry the patties for 3-4 minutes on each side on medium heat.,In another pan, saute the sliced onion in barbeque sauce and set aside.,Heat both sides of each burger bun on a tava griddle.,Spread mayonnaise on the inside of the burger buns, place the beef patty, and top it with cheese slice, mustard, and sauteed onions and make a sandwich.,Pat the burger on the tava griddle again for an extra crispy burger bun from the outside.,______